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प्रश्न
ΔABC has been reduced by a scale factor 0.6 to ΔA'B'C'/ Calculate: Length of AB, if A'B' = 5.4cm
उत्तर
`"Image length"/"Actual length"` = Scale factor
`"A'B'"/(8)` = 0.6
⇒ AB = `(5.4)/(0.6)`
⇒ AB = 9cm.
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